He has bags under his eyes the size of almonds and looks too thin for a healthy robust man - particularly if still fixed in your mind is the McDonald's-munching jogger. But the 42nd president of the United States still possesses charisma delivered with his down-home Southern syntax and expressions punctuated by long, drawn-out pauses for emphasis that cause many within an audience to laugh and nod along in approval - or with resigned, but occasionally amused, disapproval.